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260900249 is a prime number
BaseRepresentation
bin11111000110100…
…00010110011001
3200011221002212012
433203100112121
51013242301444
641515555305
76315421061
oct1743202631
9604832765
10260900249
111242a9245
127345bb35
134208ac5c
14269163a1
1517d88b9e
hexf8d0599

260900249 has 2 divisors, whose sum is σ = 260900250. Its totient is φ = 260900248.

The previous prime is 260900239. The next prime is 260900251. The reversal of 260900249 is 942009062.

260900249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249798025 + 11102224 = 15805^2 + 3332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-260900249 is a prime.

Together with 260900251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260900239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130450124 + 130450125.

It is an arithmetic number, because the mean of its divisors is an integer number (130450125).

Almost surely, 2260900249 is an apocalyptic number.

It is an amenable number.

260900249 is a deficient number, since it is larger than the sum of its proper divisors (1).

260900249 is an equidigital number, since it uses as much as digits as its factorization.

260900249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 260900249 is about 16152.4069104267. The cubic root of 260900249 is about 638.9862278586.

The spelling of 260900249 in words is "two hundred sixty million, nine hundred thousand, two hundred forty-nine".